science 7-1 and 7-2 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
homologous structures | between a pair of structures, or genes, due to shared ancestors ***similar body parts |
trait | a genetically determined characteristic |
over population | the presence of too many individuals in an area for the avaliable resources. |
inherited variation | each individual has its own traits |
struggle to survive | "survival of the fittest" |
succsesful reproduction | the passing of genes onto the next generation in a way that they too can pass on those generations |
galapogous islands | islands with finches and equador |
adaptation | the ability of a species to survive in a particular ecoligical niche, especially because of alterations of form or behavior brought about through natural selection. *** survive and reproduce |
finches | small songbird: a small songbird with a short broad beek for cracking seeds and colorful alumage, especially in males. |
gradulism | -charles darwin is the creator of gradualism. -the process is very slow since it requires countless generations for small changes. -he delivered evolution happens slowly over a long period of time. |
natural selection | the process in nature which individuals with inherited characteristics well suited to the environment leave more offspring on average than do others |
puncurated equilidria | evolution tends to be characterized by long periods of virtual standstill punctuated by episodes of very fast development of new forms. |
naturalist | scientist who studies nature |
selective breeding | choose best traits or desired traits |
HMS beagle | a chrokee class 10-gun brig-doop of the royal navy |
evolution | *change over time -change in the pool of a population from generation to generation by such processes as mutation, natural selection,and genetic drift |
sedimentary rock | rock that has formed through the deposition and solidifacation of sediment, especially sediment transported by water. |
free card | for bingo |
mammals | any vertedrate of the class mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and with the exception of the egg-laying monotremes, giving birth to live young |
anatomical structures | a particular complex aratomical part of living thing. |
vertigial structures | structures that were thought to be used before by the ancestors of animals *** body parts that have no functions |
Created by:
kiddo
Popular Science sets